kwb 557500 neljännespyöreä jyrsin kuulalaakerilla, 8 mm varsi, kovametalli

Create smooth, decorative rounded edges on wood and wood-based panels with this quarter round router bit. The bearing-guided design follows the workpiece edge for consistent profiles without a router table fence.

Who is it for

Woodworkers and carpenters who need a reliable bit for edge rounding and decorative profiling in solid wood, chipboard, and MDF. Suitable for hand routers and stationary routers.

Main features

• Quarter round (cove) profile with 6 mm radius for classic rounded edges
• Tungsten carbide cutting edges for long life and clean cuts
• Ball bearing guide for easy edge following
• 8 mm shank fits common router collets
• Two cutting edges for smooth finish

Specifications

• Bit profile: Quarter round / cove
• Material: Tungsten carbide (HM)
• Shank diameter: 8 mm
• Radius (R): 6 mm
• Cutting diameter (D): 28 mm
• Cutting length (B): 16 mm
• Total length (L): 50 mm
• Bearing diameter: 12.7 mm
• Number of cutting edges: 2
• Recommended materials: Solid wood, chipboard, MDF
• Tool compatibility: Hand routers, stationary routers
• Application: Edge rounding, decorative profiling
• Series: kwb Professional

Tips

For best results, make multiple passes with increasing depth rather than a single deep cut. Keep the bit clean and sharp to avoid burning the wood.